JS/Redirector.NDS is an adware that will keep redirecting you to various unwanted sites or commandeer your browser search and homepage. It runs in the background which will affect your PC performance. This adware will send you to malicious websites to get money from you or infect your computer further. It may also display intrusive ads, spam your screen with popups, and may prevent you from changing your settings back.
JS/Redirector.NDS is usually installed through third-party apps or bundled software without you knowing. It has to be removed immediately before it further damages your computer.